code_device/hgdriver/hgdev/jsonconfig.h

#pragma once
#include <stdio.h>
#include <iostream>
#include <fstream>
#include <sstream>
#include <vector>
#include <stdlib.h>
#include "json.hpp"

using  json = nlohmann::json;
const std::string JSONPATH ="/opt/hgscannersdk.json";
static const std::string G100JSONPATH ="/opt/G100.json";
static const std::string G200JSONPATH ="/opt/G200.json";
static const std::string G300JSONPATH ="/opt/G300.json";
static const std::string G400JSONPATH ="/opt/G400.json";


class jsonconfig
{
public:
    static json loadjson(std::string path);
    static json load_json_from_text(const char* json_txt, std::vector<std::string>* children = nullptr);
    static bool savejson(std::string path,json js);
    static json defaultjson();

private:
     json loadjson();
     std::string DEVICEJSONPATH;
    
public:
    jsonconfig();
    jsonconfig(int devnum);
    ~jsonconfig();
    std::string getdeviceparam(unsigned param_no);
};